A new microscopy technique has pinpointed the locations of individual proteins within bacterial cells, revealing their precise positions and interactions. The technique, called CIASM, combines fluorescent imaging with cryogenic electron tomography to produce high-resolution images of molecules in their cellular neighborhoods.
Researchers found that high-protein diets increased the survival of infected caterpillars by causing osmotic stress, which slows down bacterial growth. This mechanism may offer a new avenue for understanding how diet affects parasitic blood infections in humans.
The RNA-binding protein ProQ plays a crucial role in the activation of over 250 bacterial genes, enabling meningococci to repair DNA and resist oxidative stress. Understanding its function is key to developing new antibacterial agents.
A new study finds that bacteria fed by algae biochemicals can harm coral health, leading to a shift in reef ecosystems dominated by turf and fleshy algae. The research reveals the role of microbiomes in coral-algae interactions, offering opportunities for probiotic engineering to improve coral resilience.
A new genetic engineering method has been developed to improve the efficiency and reach of recombineering, a decades-old technique used to swap DNA pieces in bacteria. The new approach identifies efficient proteins that mediate attachment and placement of short DNA strands, enabling single-spot edits and multiplex editing.
Researchers at Cornell University used single-molecule tracking and protein quantitation to study the mechanism of bacteria's resistance to toxic metals, revealing a complex series of steps that lead to detoxification. The discovery could lead to the development of more effective antibacterial treatments.
A newly discovered ocean virus is hijacking the metabolism of the most abundant organism on Earth, Prochlorococcus marinus. The virus alters the ability of P. marinus to store carbon and counter the greenhouse gas effect, potentially preventing gigatons of carbon from being taken out of the air annually.
Researchers at University of Malaga's BacBio laboratory have identified a new role for an amyloid protein, improving biological control methods in sustainable agriculture. The study reveals the dual functionality of the protein, which helps bacterial cells attach to plant surfaces, combat pathogens and improve fitness.
A team of researchers from the University of Pittsburgh has developed a novel textile coating that can repel viruses and bacteria, making it potential candidate for creating safely reusable personal protective equipment (PPE). The coating was tested against adenovirus types 4 and 7 and shown to be effective in repelling these viruses.
A team at UMass Amherst has developed a highly sensitive chemical sensor using protein nanowires, which can detect ammonia in the air with high accuracy. The sensors are biodegradable, low-cost, and produced sustainably by bacteria, offering a promising solution for agriculture, environment, and biomedicine applications.
Researchers from the University of Tsukuba developed a novel high-yield method for producing the major birch pollen allergen Bet v 1 in plant leaves. The new system enables rapid and massive production of allergens, which can be used in clinical settings to desensitize patients to environmental allergies.
Researchers at Penn State have successfully developed a novel plasma medicine technique that effectively targets and kills bacteria in liquid cultures without developing resistance. The process uses low-temperature plasma generated from atmospheric pressure or liquids, creating reactive particles with antibacterial effects.
Researchers at the University of Leeds have discovered a key mechanism in how bacteria build their outer wall, potentially leading to new antibiotic therapies. The study focused on gram-negative bacteria Escherichia coli and found that disrupting this process could destroy or slow bacterial growth.
Researchers from Skoltech and international collaborators investigated the BREX defense mechanism, which bacteria use to protect themselves from viral infection. They found that a multipurpose viral protein called Ocr can mimic DNA and disable this defense system.
Researchers discovered a novel mechanism for Mycobacterium tuberculosis to import vitamin B12, a crucial nutrient for the pathogen's growth. The Rv1819c protein was found to be capable of importing B12 and transporting other molecules, making it an attractive target for developing anti-TB drugs.
Researchers have characterized how the gut microbiome develops in the first hours of infancy, providing a critical baseline for understanding the impact on health and disease later in life. The study found that multiple strains of bacteria emerged early, influencing metabolite levels and protein consumption.
Researchers have identified specific Bifidobacteria strains that can break down gluten proteins into smaller fragments, reducing immune response damage. These findings pave the way for new treatments and improved patient outcomes for celiac disease patients.
Researchers identify first known bacteria-derived sensor for detecting progesterone, a female hormone that plays a critical role in reproduction. The sensor's reversibility allows it to generate continuous measurements, making it suitable for home use and potentially transforming telemedicine.
Scientists at the University of Leeds and AstraZeneca developed a technique to screen antibody fragment susceptibility to aggregation caused by structure disruption much earlier in drug discovery. This approach increases the chances of success by selecting protein sequences that can withstand industrial-scale manufacturing stresses.
Researchers used advanced imaging to study proteins at the molecular level in live E. coli bacteria. Silver ions caused paired DNA strands to separate and protein binding to weaken, resulting in faster protein movement. This new understanding could help develop better antibiotics using silver nanoparticles.
Researchers at the Butantan Institute and Boston Children's Hospital have developed a novel pneumonia vaccine capable of providing protection against all serotypes of Streptococcus pneumoniae. The vaccine is less expensive and more effective than current vaccines, with an estimated price of $2 per dose.
Researchers at SLAC National Accelerator Laboratory have discovered a giant cavity in a protein that transports a wide range of molecules, including vitamin B12 and antibiotics, into the bacterial cell. The discovery could lead to new ways to treat tuberculosis, but further studies are needed to understand the protein's capabilities.
A team of microbiologists at the University of Bayreuth created a modular system for genetic reprogramming of bacteria, turning them into cell factories for multifunctional magnetic nanoparticles. These nanoparticles combine various useful functions and properties, offering a promising new material in biomedicine and biotechnology.
A Bristol team has developed a new photosynthetic protein system that enables an enhanced and more sustainable approach to solar-powered technological devices. The system uses both chlorophyll and bacteriochlorophyll, demonstrating poly-chromatic solar energy harvesting for the first time.
Researchers have successfully produced human protein Apolipoprotein A5 (APOA5) in the laboratory to metabolize and clear excess levels of triglycerides. The study demonstrates a potential pathway for developing drugs that trigger this process.
Researchers have engineered silkworms to produce different variants of E-selectin, a critical adhesion molecule involved in inflammation, cancer, and disease processes. The study found that the connecting arm of E-selectin is crucial for binding, while longer armed proteins are better at tethering blood stem cells.
Researchers from the University of Copenhagen have successfully mapped a novel conformation of LeuT, a bacterial protein similar to neurotransmitter transporters. This discovery sheds light on the mechanism of these proteins and may lead to better drugs for treating conditions such as ADHD, depression, and epilepsy.
Researchers found that gut bacteria can accumulate within tumors and enhance the effectiveness of anti-CD47 immunotherapy. The study suggests that a probiotic might improve treatment outcomes, and identifying specific bacterial strains is crucial for future research.
Researchers discovered that Chlamydia uses the host cell's endocytosis mechanism to invade by producing SemC, which changes the membrane curvature. This process is essential for infection, and reducing SNX9 protein levels makes it harder for the bacteria to infect cells.
A family of porin-like proteins helps M. tuberculosis acquire essential nutrients while evading antibiotics and immune attacks. Researchers discovered the unique role of PE/PPE proteins in ferrying vital nutrients across the cell's waxy wall.
Researchers are developing bacterial proteins to create new, artificial fluorescent compounds. The goal is to produce biodegradable and sustainable light-emitting diodes (LEDs) using these novel compounds. By harnessing the power of bacteria, scientists hope to create more eco-friendly lighting solutions with minimal environmental impact.
Scientists at the University of Groningen mapped the structure of a transport complex in bacteria, revealing that it works very efficiently using three independent lifts. This discovery has implications for human brain cells, where a similar transporter plays a vital role in signal transduction.
Researchers discovered Woeseiales bacteria, thriving in deep-sea environments, with an estimated 5 x 10^26 cells worldwide. These microbes likely facilitate protein degradation and nitrogen cycling in marine sediments.
Physicists have discovered a new phase of motion in ring-shaped polymers under shear, where they 'inflate' and stabilize themselves. This behavior is not seen in other forms of polymers, such as linear chains or stars.
Researchers from Ruhr-University Bochum successfully detect protein structures in Escherichia coli bacteria using EPR spectroscopy and nanobodies. They can measure distances between proteins within native membranes, opening up new possibilities for studying membrane protein dynamics and functions.
Scientists aim to eliminate persister cells, causing chronic health issues like airway infections and tuberculosis, by targeting their formation mechanisms through self-digestion. By mapping the self-digestion-related mechanisms in E. coli, researchers hope to develop effective anti-persister therapeutics.
A new study reveals that two proteins, MreB and CcmA, work together to balance cell-wall synthesis on opposite sides of the curvy-shaped bacterium, maintaining its helical shape. Disrupting this balance could lead to the development of more targeted antibiotics to prevent H. pylori infections.
Rice University has received a $6 million grant from the Cancer Prevention and Research Institute of Texas to bolster its growing biosciences initiative. Synthetic biologist Caroline Ajo-Franklin will lead the effort, exploring biological-inorganic interfaces and developing sensors to monitor chemotherapy agents in real-time.
Researchers created an artificial electron transfer system by modifying a protein from bacteria, which can be used to produce medicines and biofuels. The system works by guiding electrons through short 'pit stops' made of heme molecules, allowing for more efficient energy transfer.
Researchers use a new method combining visual microscopic observations and photoemission spectrum registration to create a map of cell surface physical and chemical state. The team studied Escherichia coli cells, which produce ferritin-like proteins that can be used for nanosized constructions.
UNSW researchers found that whooping cough bacteria are adapting to evade vaccine-generated immunity by producing more nutrient-binding proteins and fewer immunogenic proteins. A new vaccine is needed to protect vulnerable populations, particularly newborns and those with weakened immune systems.
Researchers have identified a probiotic that slows and reverses the build-up of alpha-synuclein protein, which is associated with Parkinson's disease. The probiotic, Bacillus subtilis, produces chemicals that change how enzymes process specific fats, preventing toxic clumps from forming.
A study by the Universitat Autonoma de Barcelona has identified the regulation and metal uptake systems of Mycoplasma genitalium, a sexually transmitted pathogen responsible for genitourinary diseases. The discovery reveals strategies that bacteria use to acquire essential metals for survival, making them a promising therapeutic target.
Scientists have discovered a molecular foundation for bacterial exposure as a potential environmental factor in coeliac disease development. Receptors from immune T cells can recognize protein fragments from certain bacteria that mimic gluten, leading to aberrant recognition and health problems.
University of Groningen scientists have successfully reconstructed the ancestral genetic sequences for three FMO genes, revealing the structure of these enzymes and their role in metabolizing toxic substances. The results provide insight into how FMOs work, which could lead to the design of drugs activated by these enzymes.
Researchers at WashU Medicine have developed a method to supercharge protein production up to a thousandfold, which could significantly increase the production of protein-based drugs, vaccines, and biomaterials. This breakthrough has the potential to reduce costs and improve efficiency in various industries.
Researchers have successfully replaced bacterial toxins with proteins in nano-syringes, enabling targeted delivery of drugs to specific body cells. The innovation aims to introduce drugs into cancer cells with minimal side effects.
A research team has identified essential proteins for archaeal motility and its structure, revealing a complex protein complex that enables archaella to swim. The discovery provides insights into the unique mechanism of archaeal movement, distinct from bacterial flagellum-based locomotion.
A study led by the University of Arizona College of Medicine-Phoenix found that elevated levels of IL-36y are associated with bacterial vaginosis. The researchers also discovered that infection with BV-associated bacteria induces IL-36y in a species-specific manner.
Researchers develop a new approach to alter intestinal microbiota and vaccinate against chronic inflammatory diseases, including inflammatory bowel diseases and obesity. Targeted immunization against bacterial flagellin has been shown to beneficially alter the composition and function of the intestinal microbiota.
Researchers developed a vaccine that targets flagellin in the gut microbiota to reduce inflammation. The vaccine showed protection against intestinal inflammation and metabolic disorders such as diabetes and obesity.
A new 'experimental evolution' method, called 3Dseq, can determine the interactions that proteins use to fold into functional three-dimensional shapes. This technique may aid in understanding cancer-related proteins and pinpointing mutations contributing to disease progression.
Researchers discovered that Stenotrophomonas maltophilia uses a secretion system to inject toxins into competing bacteria, eliminating them. The study also identified a key toxin molecule that can reduce bacterial replication rates.
Scientists identify a new type of RNA modification in bacteria that is attached under stress and removed quickly. The sulfur-containing base modification helps regulate protein synthesis and could serve as an efficient detoxification mechanism to remove reactive chemical groups.
The discovery of LiaX, a secret protein that alerts bacteria to antibiotic and immune system attacks, opens doors for future treatment options against antibiotic-resistant superbugs. The protein's activation causes restructuring of the bacterial cell, preventing antibiotics from destroying it.
A study reveals that Group A Streptococcus produces a novel protein called S protein, which binds to red blood cells to evade the immune system. This mechanism increases bacterial virulence and decreases survival in infected mice.
Researchers have identified a novel protein involved in the anammox process, which converts ammonium and nitric oxide to hydrazine. This protein has a unique four-amino-acid structure that was overlooked in previous studies.
Researchers dissected protein pattern formation into its main functional modules and rebuilt the process from scratch, identifying the minimal ingredients needed for self-organisation. The new system produces less regular patterns than native systems but is still sufficient for reproducing basic biological processes.
Researchers have developed a novel approach to treat breast cancer by harnessing the power of bacterial proteins to deliver targeted therapies. The new strategy involves the use of non-toxic bacterial amyloids as reservoirs for antitumoral proteins, leading to a sustained release and increased efficacy.
Researchers at Washington University in St. Louis have uncovered a novel process by which phototrophic microbes can accept electrons from solid and soluble substances. This discovery, published in mBio, could lead to the development of bacterial platforms that feed on electricity and carbon dioxide to produce valuable compounds.